Keyboard



FIG. 1 is a front perspective view of a keyboard showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged cross-sectional view thereof taken along line 8-8 in FIG. 2;

FIG. 9 is another enlarged cross-sectional view thereof taken along line A-A in FIG. 2, in an alternate position; and,

FIG. 10 is a rear perspective view thereof, as shown in an environment of use.

The broken lines illustrating portions of the keyboard are for environmental purposes only and form no part of the claimed design. 

CLAIM I claim, the ornamental design for a keyboard, as shown and described. 